3-Amino-2-methylquinoline-4-carboxylic acid
3-氨基-2-甲基喹啉-4-羧酸
Also known as: 3-Amino-2-methyl-4-quinolinecarboxylic acid, 3-Amino-2-methyl-cinchoninic acid, 4-Quinolinecarboxylic acid, 3-amino-2-methyl-, 3-Amino-2-methylquinoline-4-carboxylic acid
3-Amino-2-methylquinoline-4-carboxylic acid (CAS 71881-80-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H10N2O2 and a molecular weight of 202.209 g/mol. It is also known as 3-Amino-2-methyl-4-quinolinecarboxylic acid, 3-Amino-2-methyl-cinchoninic acid and 4-Quinolinecarboxylic acid, 3-amino-2-methyl-. Key properties include a melting point of 204ºC, a boiling point of 378.6±42.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 182.7±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 71881-80-6
- Jingsj CID
- J-1453561-5
- Molecular Formula
- C11H10N2O2
- Chinese Name
- 3-氨基-2-甲基喹啉-4-羧酸
- Molecular Weight
- 202.209 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 204ºC |
|---|---|
| Boiling Point | 378.6±42.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 182.7±27.9 °C |
| Exact Mass | 202.074234 |
| PSA | 76.21000 |
| LogP | 2.46 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.716 |
Customs & Trade Information
| HS Code | 2933499090 |
|---|---|
| Summary | 2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 3-Amino-2-methylquinoline-4-carboxylic acid?
The CAS number of 3-Amino-2-methylquinoline-4-carboxylic acid is 71881-80-6.
What are the molecular formula and molecular weight of 3-Amino-2-methylquinoline-4-carboxylic acid?
3-Amino-2-methylquinoline-4-carboxylic acid has molecular formula C11H10N2O2 and molecular weight 202.209 g/mol.
What are the upstream and downstream products of 3-Amino-2-methylquinoline-4-carboxylic acid?
For 3-Amino-2-methylquinoline-4-carboxylic acid, Upstream Products: 4-Methyl-1H-pyrrolo[3,4-c]quinoline-1,3(2H)-dione; Downstream Products: 2-Methylquinolin-3-amine.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Amino-2-methylquinoline-4-carboxylic acid (CAS 71881-80-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1453561-5 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.